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- AGING PROPERTIES EPDM 国外EPDM老化性能简介
- The influence of TMPTA co curing agent on the curing behavior,the physical properties and the aging properties of the peroxide cured EPDM was investigated. 采用三羟甲基丙烷三丙烯酸酯（TMPTA）作共交联剂，研究其对EPDM的过氧化物硫化行为、力学性能及老化性能的影响。
- The results showed that the long term aging property of EPDM vulcanizate was improved by adding small amount of CSM,but its initial thermal decomposition was accelerated. 结果表明：添加CSM的EPDM硫化胶第一分解阶段的活化能低于未添加CSM硫化胶的，而第二分解阶段的活化能却高于未添加CSM硫化胶的。
- Influence of curing system on heat aging properties of EPDM 硫化体系对EPDM耐热老化性能的影响
- The research progress of the aeronautical Perspex aging is presented including aging properties, experimental method, and atmospheric aging lifetime. 摘要介绍了航空有机玻璃老化的研究现状，包括老化性能研究、实验方法研究和老化寿命研究。
- The effect of the sulfur variation on the thermal aging properties of NR tube was investigated by laboratory test. 进行了硫黄变量小配合试验，研究硫黄用量对NR内胎耐热老化性能的影响。
- The dampness & heat aging properties and service life of FRP bracket with pull-extrusion molding were studied. 研究了冷却塔拉挤成型玻璃钢托架的湿热老化性能及使用寿命；
- The influence of chlorobutadiene rubber(CBR) proportion on the physical properties,aging properties and flame retardance of CBR/CR,NBR or CPE blends was investigated. 考察氯化顺丁橡胶(CBR)用量对其与CR,NBR或CPE并用胶的物理性能、耐老化性能和阻燃性能的影响。
- The dispersion of TiO 2 nanoparticles, mechanical properties, light aging properties and light aging mechanism of HIPS/nano-TiO 2 composites were studied. 研究了纳米TiO2粒子在高抗冲聚苯乙烯(HIPS) /纳米TiO2复合材料中的分散及纳米TiO2对复合材料光老化性能的影响,探讨了复合材料的光老化机理。
- Mooney viscosity, vulcanization curve, tensile strength, lag losing, rebound resilience, aging properties and dynamic viscoelastic properties of vulcanized were measured. 测定了混炼胶生胶的门尼粘度,硫化曲线,硫化胶的拉伸强度,滞后性能,回弹性能有、动态粘弹性能以及老化性能。
- The results showed that the viscosity of mix decreased,the optimum cure time shortened,and the physical properties and aging properties improved by adding TMPTA. 结果表明，TMPTA可降低混炼胶料的粘度，缩短正硫化时间，提高交联效率，改善力学性能，提高耐老化性能等。
- The progress of the aging property of solid propellant were reviewed. 综述了国内外推进剂材料老化性能的研究进展。
- The aging properties of lead metaniobate piezoelectric ceramics have been investigated. The result indicated that the additives accumulate in grain boundary caused the material having good aging properties. 对偏铌酸铅压电陶瓷的老化性能作了一些探讨，实验表明，掺杂改性后的偏铌酸铅显微结构发生了变化，晶界处有杂质分凝使得该材料老化性能好。
- The effect of antioxidant DH on the hot air aging and weathering aging properties of NR,SBR,BR and NR/SBR blend compounds was investigated and a comparative test of DH was made to antioxidants 4020,BLE and RD. 研究防老剂DH对NR ,SBR ,BR和NR/SBR并用胶的热空气老化和天候老化的防护作用 ,并与防老剂40 2 0 ,BLE和RD进行对比试验。
- The effect of TMTD on the curing behaviour,physical properties,heat aging property and permanent set at high temperature of CO/ECO was investigated. 研究促进剂TMTD用量对均聚型氯醚橡胶(CO)/共聚型氯醚橡胶(ECO)并用胶硫化特性、物理性能、耐热老化性能和高温压缩永久变形的影响。
- The thermaloxydative aging properties were determined on the NR vulcanizates filled with 3 types of clays which were treated by reductant and strong acid and different metal compounds were added in. 通过还原剂、强酸及添加金属化合物的方法处理3种粘土，并制备相应的粘土填充NR硫化胶（简称粘土填充胶）进行热氧老化性能测试。
- The aging football player was playing on the skids. 那个上了年纪的足球运动员很明显地在走下坡路。
- The influence of peptizer B on Mooney viscosity,plasticity and heat aging property of NR was investigated. 研究塑解剂B对NR门尼粘度、塑性和热老化性能的影响。
- The results show that adding finery ground rubber powder into asphalt is an effective way to improve its properties at low temperature and aging properties, and the used tyres could be used. 经过大量的实验证明,利用精细废胶粉改性道路石油沥青是一条较好的途径,既使沥青路面低温性能、抗老化等能力增加,并且又可解决由于废轮胎积存而导致的污染问题。
- Age property that returns a value by calculating the difference between the current year and your birth year. 属性,前者表示出生年份,它永远不变,后者通过计算当前年份与出生年份之间的差值返回值。
